package com.hbzjt2012.demo01;

import java.security.cert.CertPathChecker;

//模拟龟兔赛跑
public class Race implements Runnable{

    //胜利者
    private static String winner;

    @Override
    public void run() {
        for (int i = 0; i <= 100; i++) {

            //模拟兔子休息
            if(Thread.currentThread().getName().equals("兔子")  && (i % 10 == 0)){
                try {
                    Thread.sleep(2);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }

            //判断比赛是否结束
            boolean flag = gameOver(i);
            //如果比赛结束了，就停止比赛
            if(flag){
                break;
            }

            System.out.println(Thread.currentThread().getName() + "-->跑了" + i + "步");
        }
    }

    //判断是否完成比赛
    private boolean gameOver(int steps){
        //判断是否有胜利者
        if(winner != null){
            return true;
        }else {
            if (steps >= 100){
                winner = Thread.currentThread().getName();
                System.out.println("winner is " + winner);
                return true;
            }
        }
        return false;
    }

    public static void main(String[] args) {
        Race race = new Race();

        new Thread(race, "兔子").start();
        new Thread(race, "乌龟").start();
    }
}
